How severe is CVE-2018-15513?

CVE-2018-15513 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-15513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15513?

CVE-2018-15513 affects Totemo Totemomail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15513?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-15513 published?

CVE-2018-15513 was published on 2019-08-30 and last updated on 2026-06-17.

CVE-2018-15513

CVE-2018-15513 is a medium-severity vulnerability in Totemo Totemomail with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Totemo Totemomail
Published: 2019-08-30
Last modified: 2026-06-17

Description

Log viewer in totemomail 6.0.0 build 570 allows access to sessionIDs of high privileged users by leveraging access to a read-only auditor role.

Frequently asked questions

What is CVE-2018-15513?: Log viewer in totemomail 6.0.0 build 570 allows access to sessionIDs of high privileged users by leveraging access to a read-only auditor role.
How severe is CVE-2018-15513?: CVE-2018-15513 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-15513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15513?: CVE-2018-15513 affects Totemo Totemomail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15513 published?: CVE-2018-15513 was published on 2019-08-30 and last updated on 2026-06-17.

References

https://www.contextis.com/en/resources/advisories/cve-2018-15513

Affected products (1)

cpe:2.3:a:totemo:totemomail:6.0.0:570:*:*:*:*:*:*

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